For those having trouble locating the third M10, it's there, even on the newer engines (mine is a 2013) but it's completely obscured by the water pipe. The middle bolt is also unable to be pulled until the water pipe is moved out of the way.
I found it necessary to remove the positive cables on the driver side of the engine to get enough room. I'm still working on this but I just need to get the extended T30 and I should have this off.
For anyone considering doing this, give it to a mechanic if you can afford it. I'd have stopped 2 hours in if my mechanic wasn't out o